Composition for producing rigid polyurethane foam with reduced moisture absorption

PL250220B1Active Publication Date: 2026-09-07POLITECHN ODZKA

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Patent Information

Application Number: PL2024450399
Authority / Receiving Office: PL · PL
Patent Type: Patents
Current Assignee / Owner
Filing Date: 2024-11-29
Publication Date: 2026-09-07
Estimated Expiration: 2044-11-29

Application Information

Patent Timeline

29 Nov 2024

Application

PL2024450399

07 Sep 2026

Publication

PL250220B1

IPC: C08G18/08; C08K9/02; C08L75/04; C08G101/00

Inventors: DAWID SZYMBORSKI; NATALIA SIENKIEWICZ

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Abstract

The subject of the application is a composition for producing rigid polyurethane foam with reduced moisture absorption, based on a polyol, containing per 100 parts by weight of polyol, 133 parts by weight of diphenylmethane 4,4'-diisocyanate, 14 parts by weight of flame retardant, 0.2 parts by weight of catalyst, 0.01 parts by weight of chain extender and a filler, the filler containing ground paper waste, treated with aqueous sodium hydroxide and then filtered under vacuum and dried.

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